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RWD - O2 sensor Reading all zeros can't seem to find the cure

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O2 sensor Reading all zeros can't seem to find the cure S90-V90

Haven't been by in a long while. "HI All"

Second hand question . Some details are unclear but here goes.
S90 with 2.9 engine.
Bank 1 (rear) O2 sensor is reading all zeros (not sure if that's voltage or the 'P' code) He replaced the O2 sensor with no change. he replaced the Computer with no change. He is unable to clear the codes.

Any thoughts?
--
'75 Jeep CJ5 345Hp ChevyPwrd, two motorcycles, '85 Pickup: The '89 Volvo is the newest vehicle I own. it wasn't Volvos safety , it was Longevity that sold me http://home.lyse.net/brox/TonyPage4.html http://cleanflametrap.com/tony/

 





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New O2 sensor Reading all zeros can't seem to find the cure [S90-V90]
posted by  TONY H  on Wed Dec 20 11:03 CST 2017 >

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